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CIRCA 1950s - An optical illusion, a turning trapezoid, illustrates the point of learned knowledge from past experiences, and how the brain registers them in 1958.
CIRCA 1958 - A doctor explains why an optical illusion involving a revolving trapezoid is confounding his friends.
UNITED STATES: 1940s: Man sits on chair and nods. Two men sit on film set chairs and talk. Optical illusion of white window and pole spinning.
1940s:Front entrance of a building. Man holds up clapboard. Lawn in front of building.
1950's: Exteriors of Temple Sholom; churchgoers enter Hydewood Park Baptist Church
1960s: UNITED STATES: drip title. Water drips on floor. Water drips from tap. Sleepy title. Man reads notes by window. Close up of human eyes
1950s: Man sitting at table eating and talking. Film slate.

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21294034

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Stock Video ID: 21294034

UNITED STATES: 1940s: Man sits in chair and watches. Cloth and window optical illusion. Man sits and shakes head. Church building and tower surrounded by park and trees.

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